滑動(dòng)螺旋副傳動(dòng)式駐車卡鉗結(jié)構(gòu)對(duì)制動(dòng)系統(tǒng)的影響研究

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摘要：基于集成機(jī)械式駐車功能卡鉗原理，對(duì)滑動(dòng)螺旋副傳動(dòng)式駐車卡鉗（IPB）的液壓制動(dòng)過程進(jìn)行了描述，建立了簡(jiǎn)化的數(shù)學(xué)模型，分析了滑動(dòng)螺旋副傳動(dòng)式駐車卡鉗對(duì)制動(dòng)系統(tǒng)的影響。

關(guān)鍵詞：滑動(dòng)螺旋副;制動(dòng)力分配;駐車卡鉗;同步附著系數(shù)

中圖分類號(hào)：U463.5      收稿日期：2025-03-10      DOI：1019999/jcnki1004-0226202504027

Research on the Influence of Sliding Screw Pair Transmission Parking Caliper Structure on Braking System

Li Yundong

Bethel Automotive Safety Systems Co.，Ltd.，Wuhu 241009，China

Abstract：Based on the understanding of the principle of the parking function caliper in integrated machinery， the hydraulic brake active process of the sliding screw pair transmission type parking caliper （IPB-integrated parking brake caliper） was described， a simplified mathematical model was established， and the influence of the sliding screw pair transmission type parking caliper on the braking system was analyzed.

Key words：Sliding screw pair;Braking force distribution;Parking caliper;Synchronizing adhesion coefficient

1 符號(hào)說明

為方便描述滑動(dòng)螺旋副傳動(dòng)式駐車卡鉗液壓駐車制動(dòng)卡鉗動(dòng)作過程，對(duì)相關(guān)的變量及符號(hào)進(jìn)行說明：Fo為活塞端輸出的力，N；Fpistons為活塞滑動(dòng)阻力；Ppistons為克服活塞滑動(dòng)阻力所需的液壓；Fcaliper為鉗體滑動(dòng)阻力；Pcalipers為克服鉗體滑動(dòng)阻力所需的液壓；Finpads為內(nèi)制動(dòng)塊滑動(dòng)阻力；Pinpads為克服內(nèi)制動(dòng)塊滑動(dòng)阻力所需的液壓；Foutpads為外制動(dòng)塊滑動(dòng)阻力；Poutpads為克服外制動(dòng)塊滑動(dòng)阻力所需的液壓;Ps為高壓保護(hù)功能啟動(dòng)液壓，MPa;Pn為內(nèi)制動(dòng)塊與制動(dòng)盤剛好接觸時(shí)的液壓，MPa;Fs為高壓保護(hù)彈簧的初始裝配預(yù)緊力，N;Ks為高壓保護(hù)彈簧的彈性模量，N/mm;Ac為活塞最大截面積（缸徑38 mm），mm2;An為活塞前端與螺桿配合孔的截面面積（孔直徑10 mm），mm2;P為鉗體腔內(nèi)實(shí)時(shí)液壓，MPa。（剩余3998字）